738150
domain: N
Appears in sequences
- Number of n X 5 arrays with each row a permutation of 1..5 having at least as many downsteps as the preceding row.at n=2A221620
- T(n,k)=Number of nXk arrays with each row a permutation of 1..k having at least as many downsteps as the preceding row.at n=23A221623
- Number of 3Xn arrays with each row a permutation of 1..n having at least as many downsteps as the preceding row.at n=4A221625
- Expansion of 1/(1 - Sum_{j>=1} x^(Sum_{i=1..j} prime(i))).at n=60A282906